The Olympus RF-11 Ring Flash Head is the flash part of the Ring Flash Set SRF-11. In conjunction with the FC-1 controller, this kit allows for soft and shadow-free close-up photos. It uses a circular tube as its light source for just the right amount of illumination. With a Guide Number of 26'/11 meters at ISO 100, it is ideal for medical and macro photography.
RF-11 Ring Flash (Only) for Olympus Digital Cameras - Requires FC-1 Controller